check_mechanics()
Check MDS Lab Mechanics
count_points()
Tally Available Points in Lab
extract_points()
Summarize Available Points in Lab by Section
signature_add()
Add a Git Signature to the User Cache
signature_clear()
Clear the labzen Cache of Known Git Signatures
signature_ls()
List Known Git Signatures from the User Cache
signature_student()
List of Known Student Signatures
signature_update()
Interactively Update Git Signatures